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This learning module addresses computers and their applications in contemporary automobiles. The text provides students with information on automotive microcomputers and hands-on activities that will help them see how semiconductors and digital logic devices fit into the modern repair facility. The module contains nine instructional units that cover the following topics: (1) introduction to automotive electronics; (2) safety and accident prevention; (3) automotive DC electronics; (4) semiconductors; (5) digital electronics; (6) automotive microprocessors; (7) computerized engine controls; (8) diagnostic codes and troubleshooting; and (9) automotive microprocessor applications. Each instructional unit follows a standard format that includes some or all of these eight basic components: performance objectives, suggested activities for teachers and students, information sheets, assignment sheets, job sheets, visual aids, tests, and answers to tests and assignment sheets. All of the unit components focus on measurable and observable learning outcomes and are designed for use for more than one lesson or class period. Instructional task analyses; a list of tools, equipment, and materials; and 22 references are also included. (KC)